Octavius is a distinctive boys' name in United States, ranking #2041 in 2001 with 52 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 20.0%. In 2001, approximately 1 in every 37,362 boys born was named Octavius. FALLING Recent data shows the name is currently falling.